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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="H05H" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>H05H</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>PLASMA TECHNIQUE </text><reference><text>fusion reactors <class-ref scheme="cpc">G21B</class-ref>; ion-beam tubes <class-ref scheme="cpc">H01J27/00</class-ref>; magnetohydrodynamic generators <class-ref scheme="cpc">H02K44/08</class-ref>; producing X-rays involving plasma generation <class-ref scheme="cpc">H05G2/00</class-ref></text></reference></title-part><title-part><text>PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS </text><reference><text>obtaining neutrons from radioactive sources <class-ref scheme="cpc">G21</class-ref>, e.g. <class-ref scheme="cpc">G21B</class-ref>, <class-ref scheme="cpc">G21C</class-ref>, <class-ref scheme="cpc">G21G</class-ref></text></reference></title-part><title-part><text>PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS </text><reference><text>atomic clocks <class-ref scheme="cpc">G04F5/14</class-ref>; devices using stimulated emission <class-ref scheme="cpc">H01S</class-ref>; frequency regulation by comparison with a reference frequency determined by energy levels of molecules, atoms, or subatomic particles <class-ref scheme="cpc">H03L7/26</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="H05H1/00" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H1/00" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generating plasma</text></title-part><title-part><text>Handling plasma</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H1/00</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H05H1/01</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/00</class-ref> and <class-ref scheme="cpc">H05H1/01</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H1/0006" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0006</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Investigating plasma, e.g. measuring the degree of ionisation or the electron temperature</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/0012" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0012</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using electromagnetic or particle radiation, e.g. interferometry</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0018" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0025" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H05H1/0025</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>by using photoelectric means </text><reference><text><class-ref scheme="cpc">H05H1/0031</class-ref>&#160;-&#160;<class-ref scheme="cpc">H05H1/0043</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0031" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by interferrometry</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0037" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0037</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by spectrometry</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0043" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using infra-red or ultra-violet radiation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/005" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/005</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by using X-rays or alpha rays</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0056" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0056</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by using neutrons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0062" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0062</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by using microwaves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/0068" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0068</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by thermal means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/0075" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Langmuir probes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/0081" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0081</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by electric means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/0087" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0087</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by magnetic means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/0093" definition-exists="true" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/0093</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by acoustic means, e.g. ultrasonic</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H1/01" definition-exists="false" ipc-concordant="H05H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/01</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Handling plasma, e.g. of subatomic particles</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/01</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/00</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/00</class-ref> and <class-ref scheme="cpc">H05H1/01</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H1/02" definition-exists="true" ipc-concordant="H05H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for confining plasma by electric or magnetic fields</text></title-part><title-part><text>Arrangements for heating plasma </text><reference><CPC-specific-text><text><class-ref scheme="cpc">G21B1/00</class-ref> takes precedence;</text></CPC-specific-text><text> electron optics <class-ref scheme="cpc">H01J</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/03" definition-exists="false" ipc-concordant="H05H1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrostatic fields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/04" definition-exists="false" ipc-concordant="H05H1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetic fields substantially generated by the discharge in the plasma</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/06" definition-exists="false" ipc-concordant="H05H1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Longitudinal pinch devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/08" definition-exists="false" ipc-concordant="H05H1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>H05H1/08</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Theta pinch devices </text><CPC-specific-text><text>, e.g. SCYLLA</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/10" definition-exists="false" ipc-concordant="H05H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using externally-applied magnetic fields only </text><CPC-specific-text><text>, e.g. Q-machines, Yin-Yang, base-ball</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/105" definition-exists="false" ipc-concordant="H05H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic pumping</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/11" definition-exists="true" ipc-concordant="H05H1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using cusp configuration </text><reference><text><class-ref scheme="cpc">H05H1/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/12" definition-exists="true" ipc-concordant="H05H1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the containment vessel forms a closed or nearly closed loop </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G21B1/05</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/14" definition-exists="true" ipc-concordant="H05H1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the containment vessel is straight and has magnetic mirrors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/16" definition-exists="true" ipc-concordant="H05H1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using externally-applied electric and magnetic fields</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/18" definition-exists="true" ipc-concordant="H05H1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>wherein the fields oscillate at very high frequency, e.g. in the microwave range </text><CPC-specific-text><text>, e.g. using cyclotron resonance</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/20" definition-exists="true" ipc-concordant="H05H1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ohmic heating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/22" definition-exists="true" ipc-concordant="H05H1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for injection heating </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G21B1/15</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H1/24" definition-exists="true" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/24</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Generating plasma </text><CPC-specific-text><reference><text>nuclear fusion reactors <class-ref scheme="cpc">G21B1/00</class-ref>; gas-filled discharge reactors <class-ref scheme="cpc">H01J37/32</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H1/24</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H1/247</class-ref> and <class-ref scheme="cpc">H05H1/4697</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/24</class-ref>, <class-ref scheme="cpc">H05H1/247</class-ref> and <class-ref scheme="cpc">H05H1/4697</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/2406" definition-exists="true" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2406</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H1/2406</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H1/2439</class-ref> and <class-ref scheme="cpc">H05H1/2441</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/2406</class-ref>, <class-ref scheme="cpc">H05H1/2439</class-ref> and <class-ref scheme="cpc">H05H1/2441</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2418" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2418</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the electrodes being embedded in the dielectric</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2425" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2425</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the electrodes being flush with the dielectric</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2431" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2431</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using cylindrical electrodes, e.g. rotary drums</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2437" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2437</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Multilayer systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2439" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2439</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Surface discharges, e.g. air flow control</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/2439</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/2406</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/2406</class-ref> and <class-ref scheme="cpc">H05H1/2439</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2441" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2441</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>characterised by the physical-chemical properties of the dielectric, e.g. porous dielectric</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/2441</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/2406</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/2406</class-ref> and <class-ref scheme="cpc">H05H1/2441</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2443" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2443</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma fluid flowing through a dielectric tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/245" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/245</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated using internal electrodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/246" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/246</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated using external electrodes </text><reference><text><class-ref scheme="cpc">H05H1/245</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/2465" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2465</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated by inductive coupling, e.g. using coiled electrodes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/247" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/247</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using discharges in liquid media</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/247</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/24</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/24</class-ref> and <class-ref scheme="cpc">H05H1/247</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/2475" definition-exists="true" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2475</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using acoustic pressure discharges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2481" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2481</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated using piezoelectric actuators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2487" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2487</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated using mechanical actuators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/2493" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/2493</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the plasma being activated using horns</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/26" definition-exists="true" ipc-concordant="H05H1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/26</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Plasma torches</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/28" definition-exists="true" ipc-concordant="H05H1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling arrangements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/30" definition-exists="true" ipc-concordant="H05H1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using applied electromagnetic fields, e.g. high frequency or microwave energy </text><reference><text><class-ref scheme="cpc">H05H1/28</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/32" definition-exists="true" ipc-concordant="H05H1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an arc </text><reference><text><class-ref scheme="cpc">H05H1/28</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/34" definition-exists="true" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/34</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Details, e.g. electrodes, nozzles</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H1/34</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H1/3423</class-ref> and <class-ref scheme="cpc">H05H1/3425</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/34</class-ref>, <class-ref scheme="cpc">H05H1/3423</class-ref> and <class-ref scheme="cpc">H05H1/3425</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3405" definition-exists="true" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3405</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/341" definition-exists="true" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/341</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements for providing coaxial protecting fluids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3421" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3421</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Transferred arc or pilot arc mode</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3423" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3423</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Connecting means, e.g. electrical connecting means or fluid connections</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/3423</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/34</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/34</class-ref> and <class-ref scheme="cpc">H05H1/3423</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3425" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3425</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Melting or consuming electrodes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/3425</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/34</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/34</class-ref> and <class-ref scheme="cpc">H05H1/3425</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3431" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3431</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Coaxial cylindrical electrodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3436" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3436</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Hollow cathodes with internal coolant flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3442" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3442</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Cathodes with inserted tip</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3447" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3447</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Rod-like cathodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3452" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3452</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Supplementary electrodes between cathode and anode, e.g. cascade</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3457" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3457</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Nozzle protection devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3463" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3463</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Oblique nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3468" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3468</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Vortex generators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3473" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3473</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Safety means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3478" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3478</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Geometrical details</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3484" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3484</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Convergent-divergent nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3489" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3489</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Means for contact starting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/3494" definition-exists="false" ipc-concordant="H05H1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/3494</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Means for controlling discharge parameters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/36" definition-exists="true" ipc-concordant="H05H1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit arrangements </text><reference><text><class-ref scheme="cpc">H05H1/38</class-ref>, <class-ref scheme="cpc">H05H1/40</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/38" definition-exists="true" ipc-concordant="H05H1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding or centering of electrodes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H05H1/40" definition-exists="true" ipc-concordant="H05H1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/40</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using applied magnetic fields, e.g. for focusing or rotating the arc </text><CPC-specific-text><reference><text>cf. <class-ref scheme="cpc">B23K9/08</class-ref>, <class-ref scheme="cpc">B23K9/073</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/42" definition-exists="true" ipc-concordant="H05H1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H05H1/42</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with provisions for introducing materials into the plasma, e.g. powder, liquid </text><reference><text>electrostatic spraying, spraying apparatus with means for charging the spray electrically <class-ref scheme="cpc">B05B5/00</class-ref> </text><CPC-specific-text><text>cf. <class-ref scheme="cpc">B23K9/324</class-ref>, <class-ref scheme="cpc">B05B7/22</class-ref>; arc stabilising or constricting arrangements <class-ref scheme="cpc">H05H1/3405</class-ref>; coaxial protecting fluids <class-ref scheme="cpc">H05H1/341</class-ref></text></CPC-specific-text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/44" definition-exists="false" ipc-concordant="H05H1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using more than one torch</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/46" definition-exists="true" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using applied electromagnetic fields, e.g. high frequency or microwave energy </text><reference><text><class-ref scheme="cpc">H05H1/26</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/461" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/461</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Microwave discharges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/4615" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4615</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using surface waves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/4622" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4622</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using waveguides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/463" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/463</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using antennas or applicators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/4637" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4637</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using cables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/4645" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4645</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Radiofrequency discharges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/4652" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4652</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using inductive coupling means, e.g. coils</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H05H1/466" definition-exists="false" ipc-concordant="H05H1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/466</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using capacitive coupling means, e.g. electrodes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/4697" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/4697</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using glow discharges</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/4697</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/24</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/24</class-ref> and <class-ref scheme="cpc">H05H1/4697</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/47" definition-exists="true" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/47</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using corona discharges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/471" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/471</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Pointed electrodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/473" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/473</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Cylindrical electrodes, e.g. rotary drums</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/475" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/475</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Filamentary electrodes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/477" definition-exists="false" ipc-concordant="H05H1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/477</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Segmented electrodes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/48" definition-exists="true" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an arc </text><reference><text><class-ref scheme="cpc">H05H1/26</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H1/48</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H1/481</class-ref>, <class-ref scheme="cpc">H05H1/482</class-ref>, <class-ref scheme="cpc">H05H1/484</class-ref>, <class-ref scheme="cpc">H05H1/486</class-ref> and <class-ref scheme="cpc">H05H1/488</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/481" definition-exists="false" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/481</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Hollow cathodes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/481</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/48</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/48</class-ref> and <class-ref scheme="cpc">H05H1/481</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/482" definition-exists="false" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/482</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements to provide gliding arc discharges</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/482</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/48</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/48</class-ref> and <class-ref scheme="cpc">H05H1/482</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/484" definition-exists="false" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/484</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements to provide plasma curtains or plasma showers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/484</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/48</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/48</class-ref> and <class-ref scheme="cpc">H05H1/484</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/486" definition-exists="false" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/486</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements to provide capillary discharges</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/486</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/48</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/48</class-ref> and <class-ref scheme="cpc">H05H1/486</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/488" definition-exists="false" ipc-concordant="H05H1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H1/488</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Liquid electrodes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H1/488</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H1/48</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H1/48</class-ref> and <class-ref scheme="cpc">H05H1/488</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H1/50" definition-exists="true" ipc-concordant="H05H1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and using applied magnetic fields, e.g. for focusing or rotating the arc</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H1/52" definition-exists="true" ipc-concordant="H05H1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using exploding wires or spark gaps </text><reference><text><class-ref scheme="cpc">H05H1/26</class-ref> takes precedence; spark gaps in general <class-ref scheme="cpc">H01T</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H1/54" definition-exists="true" ipc-concordant="H05H1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H1/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plasma accelerators</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H3/00" definition-exists="true" ipc-concordant="H05H3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Production or acceleration of neutral particle beams, e.g. molecular or atomic beams</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H3/02" definition-exists="true" ipc-concordant="H05H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Molecular or atomic beam generation </text><CPC-specific-text><reference><text>charge exchange devices <class-ref scheme="cpc">G21K1/14</class-ref>; polarising devices <class-ref scheme="cpc">G21K1/16</class-ref>; using resonance or molecular beams for analysing or investigating materials <class-ref scheme="cpc">G01N24/002</class-ref>; atomic clock <class-ref scheme="cpc">G04F5/14</class-ref>; beam masers <class-ref scheme="cpc">H01S1/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H3/04" definition-exists="true" ipc-concordant="H05H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acceleration by electromagnetic wave pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H3/06" definition-exists="true" ipc-concordant="H05H3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generating neutron beams </text><reference><text>targets for producing nuclear reactions <class-ref scheme="cpc">H05H6/00</class-ref>; neutron sources <class-ref scheme="cpc">G21G4/02</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H5/00" definition-exists="true" ipc-concordant="H05H5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct voltage accelerators</text></title-part><title-part><text>Accelerators using single pulses </text><reference><text><class-ref scheme="cpc">H05H3/06</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H5/02" definition-exists="true" ipc-concordant="H05H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details </text><reference><text>targets for producing nuclear reactions <class-ref scheme="cpc">H05H6/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/03" definition-exists="true" ipc-concordant="H05H5/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accelerating tubes </text><reference><text>vessels or containers of electric discharge tubes with improved potential distribution over surface of vessel <class-ref scheme="cpc">H01J5/06</class-ref>; shields of X-ray tubes associated with vessels or containers <class-ref scheme="cpc">H01J35/16</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H5/04" definition-exists="false" ipc-concordant="H05H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>H05H5/04</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>energised by electrostatic generators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/042" definition-exists="false" ipc-concordant="H05H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the van de Graaf type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/045" definition-exists="true" ipc-concordant="H05H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>High voltage cascades, e.g. Greinacher cascade</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/047" definition-exists="false" ipc-concordant="H05H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pulsed generators</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H5/06" definition-exists="false" ipc-concordant="H05H5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>H05H5/06</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>Multistage accelerators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/063" definition-exists="false" ipc-concordant="H05H5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tandems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H5/066" definition-exists="false" ipc-concordant="H05H5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Onion-like structures</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H5/08" definition-exists="false" ipc-concordant="H05H5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle accelerators using step-up transformers, e.g. resonance transformers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H7/227" definition-exists="false" ipc-concordant="H05H7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H2007/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>power coupling, e.g. coupling loops</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H9/00" definition-exists="true" ipc-concordant="H05H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear accelerators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H9/005" definition-exists="false" ipc-concordant="H05H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dielectric wall accelerators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H9/02" definition-exists="true" ipc-concordant="H05H9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Travelling-wave linear accelerators </text><CPC-specific-text><reference><text>travelling-wave tubes <class-ref scheme="cpc">H01J25/34</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H9/04" definition-exists="true" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Standing-wave linear accelerators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H9/041" definition-exists="false" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hadron LINACS</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H9/042" definition-exists="true" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drift tube LINACS</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H9/044" definition-exists="false" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coupling cavity LINACS, e.g. side coupled</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H9/045" definition-exists="false" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radio frequency quadrupoles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H05H9/047" definition-exists="true" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hybrid systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H9/048" definition-exists="true" ipc-concordant="H05H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H9/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lepton LINACS</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H11/00" definition-exists="true" ipc-concordant="H05H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic induction accelerators, e.g. betatrons</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H11/02" definition-exists="false" ipc-concordant="H05H11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air-cored betatrons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H11/04" definition-exists="false" ipc-concordant="H05H11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biased betatrons</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H13/00" definition-exists="true" ipc-concordant="H05H13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic resonance accelerators</text></title-part><title-part><text>Cyclotrons </text><CPC-specific-text><reference><text>strophotrons, turbine tubes <class-ref scheme="cpc">H01J25/62</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/005" definition-exists="false" ipc-concordant="H05H13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cyclotrons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/02" definition-exists="false" ipc-concordant="H05H13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchrocyclotrons, i.e. frequency modulated cyclotrons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/04" definition-exists="false" ipc-concordant="H05H13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synchrotrons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/06" definition-exists="false" ipc-concordant="H05H13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air-cored magnetic resonance accelerators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/08" definition-exists="false" ipc-concordant="H05H13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alternating-gradient magnetic resonance accelerators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H05H13/085" definition-exists="false" ipc-concordant="H05H13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H13/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fixed-field alternating gradient accelerators [FFAG]</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H05H13/10" definition-exists="false" ipc-concordant="H05H13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H13/10</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Accelerators comprising one or more linear accelerating sections and bending magnets or the like to return the charged particles in a trajectory parallel to the first accelerating section, e.g. microtrons </text><CPC-specific-text><text>or rhodotrons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H05H15/00" definition-exists="true" ipc-concordant="H05H15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H15/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Methods or devices for acceleration of charged particles not otherwise provided for </text><CPC-specific-text><text>, e.g. wakefield accelerators</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="H05H240/00" date-revised="2013-01-01" status="published"><classification-symbol>H05H2240/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H05H240/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2240/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Testing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H240/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H2240/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at atmospheric pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H240/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H2240/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-thermal plasma</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H05H242/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H2242/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary systems</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H242/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H05H2242/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling arrangements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H242/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2242/20</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Power circuits</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H2242/20</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H2242/22</class-ref>, <class-ref scheme="cpc">H05H2242/24</class-ref> and <class-ref scheme="cpc">H05H2242/26</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H242/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2242/22</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>DC, AC or pulsed generators</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H2242/22</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H2242/20</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2242/20</class-ref> and <class-ref scheme="cpc">H05H2242/22</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H242/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2242/24</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Radiofrequency or microwave generators</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H2242/24</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H2242/20</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2242/20</class-ref> and <class-ref scheme="cpc">H05H2242/24</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H242/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2242/26</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Matching networks</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H2242/26</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H2242/20</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2242/20</class-ref> and <class-ref scheme="cpc">H05H2242/26</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="H05H245/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Applications of plasma devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H245/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/10</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Treatment of gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/15</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Ambient air</text></title-part><title-part><text>Ozonisers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/17" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/17</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Exhaust gases</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H245/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/20</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Treatment of liquids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H245/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/30</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Medical applications</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H05H2245/30</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H05H2245/32</class-ref> and <class-ref scheme="cpc">H05H2245/34</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2245/30</class-ref>, <class-ref scheme="cpc">H05H2245/32</class-ref> and <class-ref scheme="cpc">H05H2245/34</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/32</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Surgery, e.g. scalpels, blades or bistoury</text></title-part><title-part><text>Treatments inside the body</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H2245/32</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H2245/30</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2245/30</class-ref> and <class-ref scheme="cpc">H05H2245/32</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/34</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Skin treatments, e.g. disinfection or wound treatment</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H05H2245/34</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H05H2245/30</class-ref>.<br/>Groups <class-ref scheme="cpc">H05H2245/30</class-ref> and <class-ref scheme="cpc">H05H2245/34</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/36</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Sterilisation of objects, liquids, volumes or surfaces</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="H05H245/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/40</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Surface treatments</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="H05H245/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H05H2245/42</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Coating or etching of large items</text></title-part></class-title></classification-item></classification-item>
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